CN214711145U

CN214711145U - Adjustable desk convenient to fix

Info

Publication number: CN214711145U
Application number: CN202023290297.XU
Authority: CN
Inventors: 王瑞
Original assignee: Jinzhong Chuangxin Industry And Trade Co ltd
Current assignee: Jinzhong Chuangxin Industry And Trade Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a desk convenient to fix and adjust, which comprises a desktop and desk legs, wherein the desk legs are fixedly arranged on the lower surface of the desktop, the lower surface of the desk legs is provided with a moving wheel, two supporting legs are arranged below the desktop, a connecting plate is fixedly arranged in the middle of the two supporting legs, a worm penetrates through the inside of the desk legs, a gear A is meshed and rotated on the outer surface of the worm, a fixed block is fixedly arranged on the lower surface of the desktop, the lower surface of the fixed block is rotationally connected with the gear A, a sleeve is fixedly connected with the lower surface of the gear A, a moving rod is arranged inside the sleeve, the bottom end of the moving rod is fixedly connected with the supporting legs, a mounting seat is arranged on one side of the supporting legs close to the desk legs, a plurality of convex strips are arranged inside the mounting seat, a gear B is meshed and rotated behind the convex strips, the gear B is rotationally connected with the table legs. The utility model discloses can adjust the desk height, and be convenient for fix the desk position.

Description

Adjustable desk convenient to fix

Technical Field

The utility model relates to a desk technical field especially relates to a be convenient for fix adjustable desk.

Background

The desk for schools and learning in classroom should be unified into desks, the desks can be divided into three types, namely a solid wood desk, a lifting desk and a rubber and plastic desk, the solid wood desk is gradually replaced by an adjustable desk with a steel-plastic structure due to the height fixation of a desk stool, the rubber and plastic desk is subjected to mechanical compression molding to be used as a school desk and chair product, most of the products are fixed structures, the height is not adjustable, but the desk is made of special materials, is good in material quality, durable and portable, and can be partially adopted by schools.

Most desks are of fixed structures, the height of the desks is not adjustable, discomfort of users is caused easily, the desks cannot be suitable for each user, the desk does not have a fixing function when being moved conveniently, the desks are easy to move, and the users cannot use the desks conveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a desk convenient for fixing and adjusting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a desk convenient to fix and adjust comprises a desktop and desk legs, wherein the desk legs are fixedly arranged on the lower surface of the desktop, the lower surface of the table legs is provided with a moving wheel, two supporting legs are arranged below the table top, a connecting plate is fixedly arranged between the two supporting legs, a worm penetrates through the table legs, a gear A is meshed and rotated on the outer surface of the worm, a fixed block is fixedly arranged on the lower surface of the table top, the lower surface of the fixed block is rotationally connected with a gear A, the lower surface of the gear A is fixedly connected with a sleeve, a moving rod is arranged inside the sleeve, the bottom end of the moving rod is fixedly connected with the supporting leg, the supporting leg is provided with the mount pad near one side of table leg, the inside of mount pad is provided with a plurality of sand grips, the rear meshing of sand grip rotates there is gear B, gear B rotates with the table leg and is connected.

Preferably, rubber pads are arranged at the four corners of the desktop respectively; the edges of the four corners are prevented from being in direct contact with the human body, and the rubber pads can play a role in protection and avoid collision.

Preferably, the lower surface of the supporting leg is fixedly connected with a supporting platform; the contact area of the supporting leg and the ground is increased, and the stability of the supporting leg is enhanced.

Preferably, one end of the worm is connected with the side wall of one side of the table leg through a bearing, and one end of the worm, which is far away from the bearing, is provided with a rotating handle; the worm and the gear A are meshed and rotated by utilizing the rotating handle, and the structure is complete.

Preferably, the surface of the sleeve is provided with a spiral hole, the outer surface of the moving rod is provided with a lug, and the lug is in sliding connection with the inner wall of the spiral hole; the sleeve rotates to drive the lug to move in the spiral hole, so that the moving rod moves.

Preferably, a sliding groove is formed in the table leg, a sliding block penetrates through the sliding groove, and a clamping block is arranged on one side, close to the gear A, of the sliding block; the movable sliding block and the clamping block are clamped with the gear A, so that the table top is prevented from being stressed, the supporting leg is prevented from moving upwards, and the stability of the structure is influenced.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up supporting leg, connecting plate and supporting platform, when needing to fix the desk, shift out the supporting leg, the connecting plate increases the intensity of supporting leg, until supporting platform be less than the height of removing the wheel and with the ground contact time, can fix the desk position, avoid taking place to remove, influence user normal use.

2. The utility model discloses in, through setting up worm, gear A, sleeve and carriage release lever isotructure, utilize worm and gear A meshing to rotate, drive the sleeve and rotate, the lug on carriage release lever surface removes in the spiral hole on sleeve surface to remove the supporting leg, realize the regulation of desk height.

Drawings

FIG. 1 is a schematic structural view of an adjustable desk convenient to be fixed according to the present invention;

FIG. 2 is a side view of the adjustable desk according to the present invention;

fig. 3 is a partial enlarged view of a second embodiment of the adjustable desk convenient to fix according to the present invention.

In the figure: 1 desktop, 2 table legs, 3 moving wheels, 4 supporting legs, 5 connecting plates, 6 supporting platforms, 7 worms, 8 rotating handles, 9 fixing blocks, 10 gear A, 11 convex blocks, 12 sleeves, 13 spiral holes, 14 moving rods, 15 mounting seats, 16 convex strips, 17 gear B, 18 sliding blocks, 19 clamping blocks and 20 rubber pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to the attached drawings 1-2, a desk convenient to fix and adjust comprises a desktop 1 and desk legs 2, the desk legs 2 are fixedly arranged on the lower surface of the desktop 1, moving wheels 3 are arranged on the lower surface of the desk legs 2, two supporting legs 4 are arranged below the desktop 1, a connecting plate 5 is fixedly arranged in the middle of the two supporting legs 4, a worm 7 penetrates through the interior of the desk legs 2, a gear A10 is rotatably meshed with the outer surface of the worm 7, a fixing block 9 is fixedly arranged on the lower surface of the desktop 1, the lower surface of the fixing block 9 is rotatably connected with a gear A10, a sleeve 12 is fixedly connected with the lower surface of the gear A10, a moving rod 14 is arranged inside the sleeve 12, the bottom end of the moving rod 14 is fixedly connected with the supporting legs 4, a mounting seat 15 is arranged on one side of the supporting legs 4 close to the desk legs 2, a plurality of raised strips 16 are arranged inside the mounting seat 15, and a gear B17 is rotatably meshed with the rear portions of the raised strips 16, the gear B17 is pivotally connected to the leg 2.

The lower surface of the supporting leg 4 is fixedly connected with a supporting platform 6; the contact area between the supporting leg 4 and the ground is increased, and the stability of the supporting leg 4 is enhanced.

One end of the worm 7 is connected with the side wall of one side of the table leg 2 through a bearing, and one end of the worm 7 far away from the bearing is provided with a rotating handle 8; by utilizing the rotating handle 8, the worm 7 and the gear A10 realize meshing rotation, and the structure is complete.

A spiral hole 13 is formed in the surface of the sleeve 12, a lug 11 is arranged on the outer surface of the movable rod 14, and the lug 11 is connected with the inner wall of the spiral hole 13 in a sliding mode; the sleeve 12 is rotated to move the projection 11 inside the screw hole 13, so that the moving rod 14 is moved.

A sliding groove is formed in the table leg 2, a sliding block 18 penetrates through the sliding groove, and a clamping block 19 is arranged on one side, close to the gear A10, of the sliding block 18; the movable sliding block 18 and the clamping block 19 are clamped with the gear A10, so that the situation that the supporting leg 4 moves upwards to influence the stability of the structure due to the stress of the table top 2 is avoided.

Referring to fig. 3, compared to the first embodiment, the second embodiment: rubber pads 20 are respectively arranged at the four corners of the desktop 1; the edges of the four corners are prevented from being in direct contact with the human body, and the rubber pad 20 can play a role in protection and avoid collision.

The working principle is as follows: when the desk is required to be fixed, the rotating handle 8 is rotated, the worm 7 rotates and simultaneously rotates in a meshed manner with the gear A10, so that the sleeve 12 rotates, the lug 11 on the surface of the moving rod 14 moves in the spiral hole 13 on the surface of the sleeve 12, and the lug 11 and the moving rod 14 are driven to move downwards in the vertical direction, so that the supporting leg 4 and the connecting plate 5 move downwards, the connecting plate 5 can enhance the strength of the supporting leg 4, in the moving process, the raised strip 16 inside the mounting seat 15 is meshed and rotated with the gear B17 to play a role in assisting movement, the moving stability of the supporting leg 4 is increased, until the supporting platform 6 at the bottom of the supporting leg 4 contacts the ground, the contact area is increased, the stability of the supporting leg 4 is enhanced, the sliding block 18 is moved, so that the sliding block 18 slides inside the sliding groove, the clamping block 19 on the surface of the sliding block 18 is clamped with the gear A10, the rotation of the gear A10 is limited, and the supporting leg 4 is prevented from moving upwards when the supporting leg 4 is stressed, at the moment, the height of the supporting platform 6 is lower than that of the moving wheel 3 at the bottom of the desk leg 2, namely, the desk is fixed, the position of the desk is stable, the influence on the use process of a user is avoided, and when the height is required to be adjusted, the sliding block 18 is moved, the clamping block 19 is far away from the gear A10, the rotating handle 8 is rotated, and the height can be adjusted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a desk convenient to fixed adjustable, includes desktop (1) and table leg (2), its characterized in that, table leg (2) fixed mounting is at desktop (1) lower surface, the lower surface of table leg (2) is provided with removes wheel (3), the below of desktop (1) is provided with two supporting legs (4), two the centre fixed mounting of supporting leg (4) has connecting plate (5), the inside of table leg (2) is run through has worm (7), the surface engagement of worm (7) rotates there is gear A (10), the lower fixed surface of desktop (1) installs fixed block (9), the lower surface and the gear A (10) of fixed block (9) rotate and are connected, the lower fixed surface of gear A (10) is connected with sleeve (12), the inside of sleeve (12) is provided with carriage release lever (14), the bottom and supporting leg (4) fixed connection of carriage release lever (14), one side that supporting leg (4) are close to table leg (2) is provided with mount pad (15), the inside of mount pad (15) is provided with a plurality of sand grips (16), the rear meshing of sand grip (16) is rotated and is had gear B (17), gear B (17) are rotated with table leg (2) and are connected.

2. The desk convenient to fix and adjust as claimed in claim 1, wherein rubber pads (20) are respectively arranged at four corners of the desktop (1).

3. The desk facilitating fixing and adjustable of claim 1, wherein a support platform (6) is fixedly connected to the lower surface of the support leg (4).

4. The desk convenient to fix and adjust as claimed in claim 1, wherein one end of the worm (7) is connected with the side wall of one side of the desk leg (2) through a bearing, and a rotating handle (8) is arranged at one end of the worm (7) far away from the bearing.

5. The desk convenient to fix and adjust as claimed in claim 1, wherein the sleeve (12) is provided with a spiral hole (13) on the surface thereof, the moving rod (14) is provided with a projection (11) on the outer surface thereof, and the projection (11) is slidably connected with the inner wall of the spiral hole (13).

6. The desk convenient to fix and adjust as claimed in claim 1, wherein the inside of the desk legs (2) is provided with a sliding groove, a sliding block (18) penetrates through the inside of the sliding groove, and a clamping block (19) is arranged on one side of the sliding block (18) close to the gear A (10).